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Bore and Stroke V8 Engines |
| 283 |
3.875 * 3.00 in |
| 305 |
3.736 * 3.48 in |
| 307 |
3.875 * 3.25 in |
| 327 |
4.000 * 3.25 in |
| 350 |
4.000 * 3.48 in |
| 396 -- through 1969 |
4.093 * 3.76 in |
| 396/400BB/402 -- 1970 and up |
4.125 * 3.76 in |
| 454 |
4.250 * 4.00 in |
| V6 engine |
4.000 * 3.48 in |
Camshaft |
Bearing journal diameter
Small block V8 |
| 400 |
1.9482 to 1.9492 in |
| All Others |
1.8682 to 1.8692 in |
| Big Block V8 |
1.9482 to 1.9492 in |
| V6 |
1.8682 to 1.8692 in |
Lobe lift Intake Lobe |
| 262 V6 |
0.3570 in |
| 283 V8 |
0.2658 in |
| 305 V8 to 1986 |
0.2484 in |
| 1987 |
0.2336 in |
| 307 V8 |
0.2600 in |
| 327 |
0.3980 in |
| 350 V8 to 1986 |
0.2600 in |
| 1987 |
0.2565 in |
| 396 V8 |
0.2714 in |
| 402 V8 |
0.2365 |
| 454 V8 |
0.2343 in |
Exhaust Lobes |
| 262 V6 |
0.3900 in |
| 283 V8 |
0.2658 in |
| 305 V8 to 1986 |
0.2667 in |
| 1987 |
0.2565 in |
| 307 V8 |
0.2733 in |
| 327 |
0.3980 in |
| 350 V8 to 1986 |
0.2733 in |
| 1987 |
0.2690 in |
| 396 V8 |
0.2824 in |
| 402 V8 |
0.2411 in |
| 454 V8 |
0.2530 in |
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Copyright 2000 |
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